{"product_id":"spectre-performance-9771-black-4-inch-intake-coupler-4-inch-od-to-4-inch-od","title":"Spectre Performance 9771 Black 4-Inch Intake Coupler | 4-Inch OD to 4-Inch OD","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Spectre Performance 9771 Black 4-Inch Intake Coupler delivers a sturdy, flexible connection between two 4‑inch outside diameter tubes. With a smooth inner surface and a robust exterior, it helps maintain a steady airflow path in a variety of compatible configurations while adding a clean, professional look under the hood.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eDesigned to join any 4‑inch outer diameter component or air intake tube to another 4‑inch outer diameter tube, this coupler supports straightforward, reliable assembly in everyday setups. The design prioritizes a snug fit and dependable sealing across common four-inch systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConnects any 4 inch outside diameter component to another 4 inch OD tube\u003c\/li\u003e\n  \u003cli\u003eIncludes two stainless steel worm gear hose clamps for secure mounting\u003c\/li\u003e\n  \u003cli\u003eIncludes a 3.75 inch removable reducer for flexible sizing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes on compatibility\u003c\/h3\u003e\n\u003cp\u003eNot recommended for turbocharged or supercharged engines. Verify your system measurements to ensure a snug, seal-friendly fit and to avoid unnecessary stress on tubing ends.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4 inch OD compatibility across compatible intake components\u003c\/li\u003e\n  \u003cli\u003eRemovable reducer adds flexibility to adapt to related tubing\u003c\/li\u003e\n  \u003cli\u003eStainless steel clamps provide durable, dependable mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal‑world scenarios\u003c\/h3\u003e\n\u003cp\u003eIn typical street and workshop environments, the Spectre coupler helps connect a 4\" intake pipe to an adjacent tube, producing a clean, unobtrusive joint that supports smooth airflow and a secure seal. It’s a practical upgrade when replacing stock tubes or routing air through the four-inch family. The black finish adds a cohesive look that blends with most engine bays, while the included hardware keeps installation straightforward.\u003c\/p\u003e\n\u003ch3\u003eMaterials, design, and installation tips\u003c\/h3\u003e\n\u003cp\u003eThe 9771 coupler is built to stand up to routine under-hood conditions, combining a durable exterior with a smooth interior surface designed to minimize flow disruption. The included stainless steel clamps resist corrosion, and the removable reducer expands connection options within the 4-inch family. For installation, slip the coupler onto each 4-inch end, position the clamps, and tighten evenly to seal. Use the reducer when linking slightly different but related tubes to maintain a continuous path for intake air.\u003c\/p\u003e\n\u003cp\u003eKey takeaway: this is a practical, no-fruss upgrade for compatible 4-inch systems where a clean, secure connection is valued, without implying guaranteed performance outcomes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included with the Spectre Performance 9771 4-Inch Intake Coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes the 4-inch intake coupler, two stainless steel worm gear hose clamps, and a 3.75-inch removable reducer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 9771 coupler suitable for turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not recommended for turbocharged or supercharged engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Spectre","offers":[{"title":"Default Title","offer_id":42468550180949,"sku":"B001OMK53K","price":36.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/spectre-9771-4in-intake-coupler.jpg?v=1778077355","url":"https:\/\/plentytorque.co.uk\/products\/spectre-performance-9771-black-4-inch-intake-coupler-4-inch-od-to-4-inch-od","provider":"PlentyTorque","version":"1.0","type":"link"}